Example usage for org.apache.commons.vfs2 FileObject getContent

Introduction

In this page you can find the example usage for org.apache.commons.vfs2 FileObject getContent.

Prototype

FileContent getContent() throws FileSystemException;

Source Link

Document

Returns this file's content.

Usage

From source file:org.wso2.carbon.connector.FileListZip.java

/**
 * @param messageContext The message context that is generated for processing the file
 * @param source         Location of the zip file
 *//*from ww w.j  av  a  2s.  co  m*/
private void list(MessageContext messageContext, String source) {
    StandardFileSystemManager manager = null;
    try {
        manager = FileConnectorUtils.getManager();
        ResultPayloadCreate resultPayload = new ResultPayloadCreate();

        // Create remote object
        FileObject remoteFile = manager.resolveFile(source, FileConnectorUtils.init(messageContext));
        if (remoteFile != null && remoteFile.exists()) {
            // open the zip file
            InputStream input = remoteFile.getContent().getInputStream();
            ZipInputStream zip = new ZipInputStream(input);
            OMFactory factory = OMAbstractFactory.getOMFactory();
            String outputResult;
            OMNamespace ns = factory.createOMNamespace(FileConstants.FILECON, FileConstants.NAMESPACE);
            OMElement result = factory.createOMElement(FileConstants.RESULT, ns);
            resultPayload.preparePayload(messageContext, result);
            ZipEntry zipEntry;
            // iterates over entries in the zip file
            while ((zipEntry = zip.getNextEntry()) != null) {
                if (!zipEntry.isDirectory()) {
                    //add the entries
                    outputResult = zipEntry.getName();
                    OMElement messageElement = factory.createOMElement(FileConstants.FILE, ns);
                    messageElement.setText(outputResult);
                    result.addChild(messageElement);
                }
            }
            messageContext.getEnvelope().getBody().addChild(result);
            if (log.isDebugEnabled()) {
                log.debug("The envelop body with the read files path is "
                        + messageContext.getEnvelope().getBody().toString());
            }
            //we must always close the zip file
            zip.close();
            if (log.isDebugEnabled()) {
                log.debug("File listZip completed with. " + source);
            }
        } else {
            log.error("Zip file does not exist.");
        }
    } catch (IOException e) {
        handleException("Error while processing a file.", e, messageContext);
    } finally {
        if (manager != null) {
            manager.close();
        }
    }
}

---

From source file:org.wso2.carbon.connector.FileListZipConnector.java

/**
 * List all the files inside zip file./*from  w  ww.  j a v a 2  s. c om*/
 *
 * @param messageContext The message context that is generated for processing the file.
 */
private void listAllFiles(MessageContext messageContext) throws FileSystemException {
    String source = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.FILE_LOCATION);
    StandardFileSystemManager manager = FileConnectorUtils.getManager();
    FileObject remoteFile = manager.resolveFile(source, FileConnectorUtils.init(messageContext));
    if (!remoteFile.exists()) {
        log.error("Zip file location does not exist.");
    }
    // open the zip file
    InputStream input = remoteFile.getContent().getInputStream();
    ZipInputStream zip = new ZipInputStream(input);
    OMFactory factory = OMAbstractFactory.getOMFactory();
    OMNamespace ns = factory.createOMNamespace(FileConstants.FILECON, FileConstants.NAMESPACE);
    OMElement result = factory.createOMElement(FileConstants.RESULT, ns);
    ZipEntry zipEntry;
    try {
        while ((zipEntry = zip.getNextEntry()) != null && !zipEntry.isDirectory()) {
            // add the entries
            String outputResult = zipEntry.getName();
            OMElement messageElement = factory.createOMElement(FileConstants.FILE, ns);
            messageElement.setText(outputResult);
            result.addChild(messageElement);
        }
    } catch (IOException e) {
        throw new SynapseException("Error while reading the next ZIP file entry", e);
    } finally {
        try {
            zip.close();
        } catch (IOException e) {
            log.error("Error while closing ZipInputStream");
        }
        try {
            remoteFile.close();
        } catch (FileSystemException e) {
            log.error("Error while closing the FileObject", e);
        }
        // close the StandardFileSystemManager
        manager.close();
    }
    ResultPayloadCreator.preparePayload(messageContext, result);
    if (log.isDebugEnabled()) {
        log.debug("The envelop body with the read files path is "
                + messageContext.getEnvelope().getBody().toString());
    }
}

---

From source file:org.wso2.carbon.connector.FileSend.java

/**
 * Send the file to the target directory.
 *
 * @param address Location for send the file.
 * @param append  If the response should be appended to the response file or not.
 * @return return true, if file is sent successfully.
 *///from w  w  w  . ja va2  s . c o m
private boolean sendResponseFile(String address, MessageContext messageContext, boolean append) {
    boolean resultStatus = false;
    FileObject fileObj;
    StandardFileSystemManager manager = null;
    CountingOutputStream os = null;
    if (log.isDebugEnabled()) {
        log.debug("File sending started to" + address);
    }
    try {
        manager = FileConnectorUtils.getManager();
        org.apache.axis2.context.MessageContext axis2MessageContext = ((Axis2MessageContext) messageContext)
                .getAxis2MessageContext();
        fileObj = manager.resolveFile(address, FileConnectorUtils.init(messageContext));
        if (fileObj.getType() == FileType.FOLDER) {
            address = address.concat(FileConstants.DEFAULT_RESPONSE_FILE);
            fileObj = manager.resolveFile(address, FileConnectorUtils.init(messageContext));
        }
        // Get the message formatter.
        MessageFormatter messageFormatter = getMessageFormatter(axis2MessageContext);
        OMOutputFormat format = BaseUtils.getOMOutputFormat(axis2MessageContext);
        // Creating output stream and give the content to that.
        os = new CountingOutputStream(fileObj.getContent().getOutputStream(append));
        if (format != null && os != null && messageContext != null) {
            messageFormatter.writeTo(axis2MessageContext, format, os, true);
            resultStatus = true;
            if (log.isDebugEnabled()) {
                log.debug("File send completed to " + address);
            }
        } else {
            log.error("Can not send the file to specific address");
        }
    } catch (IOException e) {
        handleException("Unable to send a file/folder.", e, messageContext);
    } finally {
        try {
            os.close();
        } catch (IOException e) {
            log.warn("Can not close the output stream");
        }
        if (manager != null) {
            manager.close();
        }
    }
    return resultStatus;
}

---

From source file:org.wso2.carbon.connector.FileSendConnector.java

/**
 * Send the file to the target directory.
 *
 * @param messageContext The message context that is used in file send mediation flow.
 * @return return true, if file is sent successfully.
 * @throws FileSystemException On error parsing the file name and getting file type.
 *//*from   w  w  w .ja  v  a2  s . c o  m*/

private boolean sendResponseFile(MessageContext messageContext) throws FileSystemException {
    boolean append = false;
    String destination = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.NEW_FILE_LOCATION);
    String strAppend = (String) ConnectorUtils.lookupTemplateParamater(messageContext, FileConstants.APPEND);
    if (StringUtils.isNotEmpty(strAppend)) {
        append = Boolean.parseBoolean(strAppend);
    }
    StandardFileSystemManager manager = FileConnectorUtils.getManager();
    FileObject fileObjectToSend = null;
    FileObject fileObj = manager.resolveFile(destination, FileConnectorUtils.init(messageContext));
    CountingOutputStream outputStream = null;
    if (log.isDebugEnabled()) {
        log.debug("File sending started to " + destination);
    }
    try {
        org.apache.axis2.context.MessageContext axis2MessageContext = ((Axis2MessageContext) messageContext)
                .getAxis2MessageContext();

        if (FileType.FOLDER.equals(fileObj.getType())) {
            String destDir = destination.concat(FileConstants.DEFAULT_RESPONSE_FILE);
            fileObjectToSend = manager.resolveFile(destDir, FileConnectorUtils.init(messageContext));
        } else if (FileType.FILE.equals(fileObj.getType())) {
            fileObjectToSend = fileObj;
        }
        // Get the message formatter.
        MessageFormatter messageFormatter = getMessageFormatter(axis2MessageContext);
        OMOutputFormat format = BaseUtils.getOMOutputFormat(axis2MessageContext);
        // Creating output stream and give the content to that.
        outputStream = new CountingOutputStream(fileObjectToSend.getContent().getOutputStream(append));
        messageFormatter.writeTo(axis2MessageContext, format, outputStream, true);
        if (log.isDebugEnabled()) {
            log.debug("File send completed to " + destination);
        }
    } catch (AxisFault e) {
        throw new SynapseException("Error while writing the message context", e);
    } finally {
        try {
            fileObjectToSend.close();
        } catch (FileSystemException e) {
            log.error("Error while closing FileObject", e);
        }
        try {
            if (outputStream != null) {
                outputStream.close();
            }
        } catch (IOException e) {
            log.warn("Can not close the output stream");
        }
        manager.close();
    }
    return true;
}

---

From source file:org.wso2.carbon.connector.FileUnzipConnector.java

/**
 * Decompress the compressed file into the given directory.
 *
 * @param messageContext The message context that is generated for processing unzip operation.
 * @return true, if zip file successfully extracts and false, if not.
 * @throws FileSystemException On error parsing the file name, determining if the file exists and creating the
 * folder.//from ww w  . jav a2s  . c o m
 */
private boolean unzip(MessageContext messageContext) throws FileSystemException {
    String source = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.FILE_LOCATION);
    String destination = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.NEW_FILE_LOCATION);
    StandardFileSystemManager manager = FileConnectorUtils.getManager();
    FileSystemOptions opts = FileConnectorUtils.init(messageContext);
    FileObject remoteFile = manager.resolveFile(source, opts);
    FileObject remoteDesFile = manager.resolveFile(destination, opts);

    if (!remoteFile.exists()) {
        log.error("File does not exist.");
        return false;
    }
    if (!remoteDesFile.exists()) {
        //create a folder
        remoteDesFile.createFolder();
    }
    //open the zip file
    ZipInputStream zipIn = new ZipInputStream(remoteFile.getContent().getInputStream());
    try {
        ZipEntry entry = zipIn.getNextEntry();

        // iterates over entries in the zip file
        while (entry != null) {
            String filePath = destination + File.separator + entry.getName();
            // create remote object
            FileObject remoteFilePath = manager.resolveFile(filePath, opts);
            if (log.isDebugEnabled()) {
                log.debug("The created path is " + remoteFilePath.toString());
            }
            try {
                if (!entry.isDirectory()) {
                    // if the entry is a file, extracts it
                    extractFile(zipIn, remoteFilePath);
                } else {
                    // if the entry is a directory, make the directory
                    remoteFilePath.createFolder();
                }
            } finally {
                try {
                    zipIn.closeEntry();
                    entry = zipIn.getNextEntry();
                } catch (IOException e) {
                    log.error("Error while closing the ZipInputStream", e);
                }
            }
        }
    } catch (IOException e) {
        throw new SynapseException("Error while reading the next ZIP file entry", e);
    } finally {
        // close the zip file
        try {
            zipIn.close();
        } catch (IOException e) {
            log.error("Error while closing the ZipInputStream", e);
        }
        // close the StandardFileSystemManager
        manager.close();
        try {
            remoteFile.close();
            remoteDesFile.close();
        } catch (FileSystemException e) {
            log.error("Error while closing the FileObject", e);
        }
    }
    if (log.isDebugEnabled()) {
        log.debug("File extracted to" + destination);
    }
    return true;
}

---

From source file:org.wso2.carbon.connector.FileUnzipConnector.java

/**
 * Extract each zip entry and write it into file.
 *
 * @param zipIn          Zip input stream for reading file in the ZIP file format.
 * @param remoteFilePath Location of file where zip entry needs to be extracted.
 *//*from  w w  w  .j  a v  a 2 s.c  om*/
private void extractFile(ZipInputStream zipIn, FileObject remoteFilePath) {
    BufferedOutputStream bos = null;
    try {
        // open the zip file
        OutputStream fOut = remoteFilePath.getContent().getOutputStream();
        bos = new BufferedOutputStream(fOut);
        byte[] bytesIn = new byte[FileConstants.BUFFER_SIZE];
        int read;
        while ((read = zipIn.read(bytesIn)) != -1) {
            bos.write(bytesIn, 0, read);
        }
    } catch (IOException e) {
        throw new SynapseException("Unable to write zip entry", e);
    } finally {
        // close the zip file
        if (bos != null) {
            try {
                bos.close();
            } catch (IOException e) {
                log.error("Error while closing the BufferedOutputStream", e);
            }
        }
        try {
            remoteFilePath.close();
        } catch (FileSystemException e) {
            log.error("Error while closing FileObject", e);
        }
    }
}

---

From source file:org.wso2.carbon.connector.util.FileUnzipUtil.java

/**
 * @param source        Location of the zip file
 * @param destDirectory Location of the destination folder
 *//*w w w . j a  v  a 2s  . com*/
public boolean unzip(String source, String destDirectory, MessageContext messageContext) {
    OMFactory factory = OMAbstractFactory.getOMFactory();
    OMNamespace ns = factory.createOMNamespace(FileConstants.FILECON, FileConstants.NAMESPACE);
    OMElement result = factory.createOMElement(FileConstants.RESULT, ns);
    boolean resultStatus = false;
    FileSystemOptions opts = FileConnectorUtils.init(messageContext);
    try {
        manager = FileConnectorUtils.getManager();
        // Create remote object
        FileObject remoteFile = manager.resolveFile(source, opts);
        FileObject remoteDesFile = manager.resolveFile(destDirectory, opts);
        // File destDir = new File(destDirectory);
        if (remoteFile.exists()) {
            if (!remoteDesFile.exists()) {
                //create a folder
                remoteDesFile.createFolder();
            }
            //open the zip file
            ZipInputStream zipIn = new ZipInputStream(remoteFile.getContent().getInputStream());
            ZipEntry entry = zipIn.getNextEntry();
            try {
                // iterates over entries in the zip file
                while (entry != null) {
                    // boolean testResult;
                    String filePath = destDirectory + File.separator + entry.getName();
                    // Create remote object
                    FileObject remoteFilePath = manager.resolveFile(filePath, opts);
                    if (log.isDebugEnabled()) {
                        log.debug("The created path is " + remoteFilePath.toString());
                    }
                    try {
                        if (!entry.isDirectory()) {
                            // if the entry is a file, extracts it
                            extractFile(zipIn, filePath, opts);
                            OMElement messageElement = factory.createOMElement(FileConstants.FILE, ns);
                            messageElement.setText(entry.getName() + " | status:" + "true");
                            result.addChild(messageElement);
                        } else {
                            // if the entry is a directory, make the directory
                            remoteFilePath.createFolder();
                        }
                    } catch (IOException e) {
                        log.error("Unable to process the zip file. ", e);
                    } finally {
                        zipIn.closeEntry();
                        entry = zipIn.getNextEntry();
                    }
                }
                messageContext.getEnvelope().getBody().addChild(result);
                resultStatus = true;
            } finally {
                //we must always close the zip file
                zipIn.close();
            }
        } else {
            log.error("File does not exist.");
        }
    } catch (IOException e) {
        log.error("Unable to process the zip file." + e.getMessage(), e);
    } finally {
        manager.close();
    }
    return resultStatus;
}

---

From source file:org.wso2.carbon.connector.util.FileUnzipUtil.java

/**
 * @param zipIn    :Input zip stream//w ww .j a va2  s.co  m
 * @param filePath :Location of each entry of the file.
 */
private void extractFile(ZipInputStream zipIn, String filePath, FileSystemOptions opts) {
    BufferedOutputStream bos = null;
    try {
        // Create remote object
        FileObject remoteFilePath = manager.resolveFile(filePath, opts);
        //open the zip file
        OutputStream fOut = remoteFilePath.getContent().getOutputStream();
        bos = new BufferedOutputStream(fOut);
        byte[] bytesIn = new byte[FileConstants.BUFFER_SIZE];
        int read;
        while ((read = zipIn.read(bytesIn)) != -1) {
            bos.write(bytesIn, 0, read);
        }
    } catch (IOException e) {
        log.error("Unable to read an entry: " + e.getMessage(), e);
    } finally {
        //we must always close the zip file
        if (bos != null) {
            try {
                bos.close();
            } catch (IOException e) {
                log.error("Error while closing the BufferedOutputStream: " + e.getMessage(), e);
            }
        }
    }
}

---

From source file:org.wso2.carbon.connector.util.ResultPayloadCreate.java

/**
 * @param file        Read file//from w ww  .  j  a  va 2 s . c om
 * @param msgCtx      Message Context
 * @param contentType content type
 * @param streaming   streaming mode (true/false)
 * @return return the status
 * @throws SynapseException
 */
@SuppressWarnings("ResultOfMethodCallIgnored")
public static boolean buildFile(FileObject file, MessageContext msgCtx, String contentType)
        throws SynapseException {
    ManagedDataSource dataSource = null;
    try {
        if (StringUtils.isEmpty(contentType) || StringUtils.isEmpty(contentType.trim())) {
            if (file.getName().getExtension().toLowerCase().endsWith("xml")) {
                contentType = "application/xml";
            } else if (file.getName().getExtension().toLowerCase().endsWith("txt")) {
                contentType = "text/plain";
            }
        } else {
            // Extract the charset encoding from the configured content type and
            // set the CHARACTER_SET_ENCODING property as e.g. SOAPBuilder relies on this.
            String charSetEnc = null;
            try {
                charSetEnc = new ContentType(contentType).getParameter("charset");
            } catch (ParseException ex) {
                log.warn("Invalid encoding type.", ex);
            }
            msgCtx.setProperty(Constants.Configuration.CHARACTER_SET_ENCODING, charSetEnc);
        }
        if (log.isDebugEnabled()) {
            log.debug("Processed file : " + file + " of Content-type : " + contentType);
        }
        org.apache.axis2.context.MessageContext axis2MsgCtx = ((org.apache.synapse.core.axis2.Axis2MessageContext) msgCtx)
                .getAxis2MessageContext();
        // Determine the message builder to use
        Builder builder;
        if (StringUtils.isEmpty(contentType)) {
            log.debug("No content type specified. Using RELAY builder.");
            builder = new BinaryRelayBuilder();
        } else {
            int index = contentType.indexOf(';');
            String type = index > 0 ? contentType.substring(0, index) : contentType;
            builder = BuilderUtil.getBuilderFromSelector(type, axis2MsgCtx);
            if (builder == null) {
                if (log.isDebugEnabled()) {
                    log.debug("No message builder found for type '" + type + "'. Falling back " + "to"
                            + " RELAY builder.");
                }
                builder = new BinaryRelayBuilder();
            }
        }

        // set the message payload to the message context
        InputStream in = null;
        in = new AutoCloseInputStream(file.getContent().getInputStream());
        dataSource = null;

        // Inject the message to the sequence.
        OMElement documentElement;
        if (in != null) {
            documentElement = builder.processDocument(in, contentType, axis2MsgCtx);
        } else {
            documentElement = ((DataSourceMessageBuilder) builder).processDocument(dataSource, contentType,
                    axis2MsgCtx);
        }
        //We need this to build the complete message before closing the stream
        //noinspection ResultOfMethodCallIgnored
        documentElement.toString();
        msgCtx.setEnvelope(TransportUtils.createSOAPEnvelope(documentElement));
    } catch (SynapseException se) {
        throw se;
    } catch (Exception e) {
        log.error("Error while processing the file/folder", e);
        throw new SynapseException("Error while processing the file/folder", e);
    } finally {
        if (dataSource != null) {
            dataSource.destroy();
        }
    }
    return true;
}

---

From source file:org.wso2.carbon.connector.util.ResultPayloadCreater.java

public static boolean buildFile(FileObject file, MessageContext msgCtx, String contentType, String streaming)
        throws SynapseException {
    ManagedDataSource dataSource = null;
    try {/*from   w  w w.j  a  v a2s . co m*/
        if (contentType == null || contentType.trim().equals("")) {
            if (file.getName().getExtension().toLowerCase().endsWith("xml")) {
                contentType = "text/xml";
            } else if (file.getName().getExtension().toLowerCase().endsWith("txt")) {
                contentType = "text/plain";
            }
        } else {
            // Extract the charset encoding from the configured content type and
            // set the CHARACTER_SET_ENCODING property as e.g. SOAPBuilder relies on this.
            String charSetEnc = null;
            try {
                if (contentType != null) {
                    charSetEnc = new ContentType(contentType).getParameter("charset");
                }
            } catch (ParseException ex) {
                log.warn("Invalid encoding type.", ex);
            }
            msgCtx.setProperty(Constants.Configuration.CHARACTER_SET_ENCODING, charSetEnc);
        }
        if (log.isDebugEnabled()) {
            log.debug("Processed file : " + file + " of Content-type : " + contentType);
        }
        org.apache.axis2.context.MessageContext axis2MsgCtx = ((org.apache.synapse.core.axis2.Axis2MessageContext) msgCtx)
                .getAxis2MessageContext();
        // Determine the message builder to use
        Builder builder;
        if (contentType == null) {
            log.debug("No content type specified. Using RELAY builder.");
            builder = new BinaryRelayBuilder();
        } else {
            int index = contentType.indexOf(';');
            String type = index > 0 ? contentType.substring(0, index) : contentType;
            builder = BuilderUtil.getBuilderFromSelector(type, axis2MsgCtx);
            if (builder == null) {
                if (log.isDebugEnabled()) {
                    log.debug(
                            "No message builder found for type '" + type + "'. Falling back to RELAY builder.");
                }
                builder = new BinaryRelayBuilder();
            }
        }

        // set the message payload to the message context
        InputStream in;
        if (builder instanceof DataSourceMessageBuilder && "true".equals(streaming)) {
            in = null;
            dataSource = ManagedDataSourceFactory.create(new FileObjectDataSource(file, contentType));
        } else {
            in = new AutoCloseInputStream(file.getContent().getInputStream());
            dataSource = null;
        }

        // Inject the message to the sequence.

        OMElement documentElement;
        if (in != null) {
            documentElement = builder.processDocument(in, contentType, axis2MsgCtx);
        } else {
            documentElement = ((DataSourceMessageBuilder) builder).processDocument(dataSource, contentType,
                    axis2MsgCtx);
        }

        //We need this to build the complete message before closing the stream
        documentElement.toString();

        msgCtx.setEnvelope(TransportUtils.createSOAPEnvelope(documentElement));

    } catch (SynapseException se) {
        throw se;
    } catch (Exception e) {
        log.error("Error while processing the file/folder", e);
        throw new SynapseException("Error while processing the file/folder", e);
    } finally {
        if (dataSource != null) {
            dataSource.destroy();
        }
    }
    return true;
}

---

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